21738690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8329}}^1$

素因数の和:8371

約数の個数: 48

約数和(自身を含む): 58476600

約数和(自身を除く): 36737910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8329, 16658, 24987, 41645, 49974, 74961, 83290, 124935, 149922, 241541, 249870, 374805, 483082, 724623, 749610, 1207705, 1449246, 2173869, 2415410, 3623115, 4347738, 7246230, 10869345, 21738690]

約数ペア:

[(1, 21738690), (2, 10869345), (3, 7246230), (5, 4347738), (6, 3623115), (9, 2415410), (10, 2173869), (15, 1449246), (18, 1207705), (29, 749610), (30, 724623), (45, 483082), (58, 374805), (87, 249870), (90, 241541), (145, 149922), (174, 124935), (261, 83290), (290, 74961), (435, 49974), (522, 41645), (870, 24987), (1305, 16658), (2610, 8329)]